rewrote import paths of go.net/context to use golang.org/x/context

- updated go-ctxgroup and goprocess
ctxgroup: AddChildGroup was changed to AddChild. Used in two files:
- p2p/net/mock/mock_net.go
- routing/dht/dht.go

- updated context from hg repo to git
prev. commit in hg was ad01a6fcc8a19d3a4478c836895ffe883bd2ceab. (context: make parentCancelCtx iterative)
represents commit 84f8955a887232b6308d79c68b8db44f64df455c in git repo

- updated context to master (b6fdb7d8a4ccefede406f8fe0f017fb58265054c)

Aaron Jacobs (2):
net/context: Don't accept a context in the DoSomethingSlow example.
context: Be clear that users must cancel the result of WithCancel.

Andrew Gerrand (1):
go.net: use golang.org/x/... import paths

Bryan C. Mills (1):
net/context: Don't leak goroutines in Done example.

Damien Neil (1):
context: fix removal of cancelled timer contexts from parent

David Symonds (2):
context: Fix WithValue example code.
net: add import comments.

Sameer Ajmani (1):
context: fix TestAllocs to account for ints in interfaces

net/mock/mock_test.go

@@ -12,7 +12,7 @@ import (
 	protocol "github.com/jbenet/go-ipfs/p2p/protocol"
 	testutil "github.com/jbenet/go-ipfs/util/testutil"
 
-	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/go.net/context"
+	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
 )
 
 func randPeer(t *testing.T) peer.ID {

net/swarm/addr/addr.go

@@ -5,9 +5,9 @@ import (
 
 	eventlog "github.com/jbenet/go-ipfs/thirdparty/eventlog"
 
-	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/go.net/context"
 	ma "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-multiaddr"
 	manet "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-multiaddr-net"
+	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
 )
 
 var log = eventlog.Logger("p2p/net/swarm/addr")

net/swarm/dial_test.go

@@ -14,9 +14,9 @@ import (
 	jenkins "github.com/jbenet/go-ipfs/util/testutil/ci/jenkins"
 	travis "github.com/jbenet/go-ipfs/util/testutil/ci/travis"
 
-	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/go.net/context"
 	ma "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-multiaddr"
 	manet "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-multiaddr-net"
+	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
 )
 
 func acceptAndHang(l net.Listener) {

net/swarm/peers_test.go

@@ -5,8 +5,8 @@ import (
 
 	peer "github.com/jbenet/go-ipfs/p2p/peer"
 
-	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/go.net/context"
 	ma "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-multiaddr"
+	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
 )
 
 func TestPeers(t *testing.T) {

net/swarm/simul_test.go

@@ -8,8 +8,8 @@ import (
 	peer "github.com/jbenet/go-ipfs/p2p/peer"
 	ci "github.com/jbenet/go-ipfs/util/testutil/ci"
 
-	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/go.net/context"
 	ma "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-multiaddr"
+	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
 )
 
 func TestSimultOpen(t *testing.T) {

net/swarm/swarm.go

@@ -12,11 +12,11 @@ import (
 	peer "github.com/jbenet/go-ipfs/p2p/peer"
 	eventlog "github.com/jbenet/go-ipfs/thirdparty/eventlog"
 
-	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/go.net/context"
 	ctxgroup "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-ctxgroup"
 	ma "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-multiaddr"
 	ps "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-peerstream"
 	psy "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-peerstream/transport/yamux"
+	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
 )
 
 var log = eventlog.Logger("swarm2")

net/swarm/swarm_addr_test.go

@@ -7,8 +7,8 @@ import (
 	peer "github.com/jbenet/go-ipfs/p2p/peer"
 	testutil "github.com/jbenet/go-ipfs/util/testutil"
 
-	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/go.net/context"
 	ma "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-multiaddr"
+	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
 )
 
 func TestFilterAddrs(t *testing.T) {

net/swarm/swarm_conn.go

@@ -8,9 +8,9 @@ import (
 	conn "github.com/jbenet/go-ipfs/p2p/net/conn"
 	peer "github.com/jbenet/go-ipfs/p2p/peer"
 
-	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/go.net/context"
 	ma "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-multiaddr"
 	ps "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-peerstream"
+	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
 )
 
 // a Conn is a simple wrapper around a ps.Conn that also exposes

net/swarm/swarm_dial.go

@@ -13,11 +13,11 @@ import (
 	peer "github.com/jbenet/go-ipfs/p2p/peer"
 	lgbl "github.com/jbenet/go-ipfs/util/eventlog/loggables"
 
-	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/go.net/context"
 	ma "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-multiaddr"
 	manet "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-multiaddr-net"
 	process "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/goprocess"
 	ratelimit "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/goprocess/ratelimit"
+	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
 )
 
 // Diagram of dial sync:

net/swarm/swarm_listen.go

@@ -8,9 +8,9 @@ import (
 	addrutil "github.com/jbenet/go-ipfs/p2p/net/swarm/addr"
 	lgbl "github.com/jbenet/go-ipfs/util/eventlog/loggables"
 
-	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/go.net/context"
 	ma "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-multiaddr"
 	ps "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-peerstream"
+	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
 	multierr "github.com/jbenet/go-ipfs/thirdparty/multierr"
 )
 

net/swarm/swarm_net.go

@@ -7,9 +7,9 @@ import (
 
 	inet "github.com/jbenet/go-ipfs/p2p/net"
 
-	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/go.net/context"
 	ctxgroup "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-ctxgroup"
 	ma "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-multiaddr"
+	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
 )
 
 // Network implements the inet.Network interface.

net/swarm/swarm_net_test.go

@@ -5,8 +5,7 @@ import (
 	"testing"
 	"time"
 
-	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/go.net/context"
-
+	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
 	inet "github.com/jbenet/go-ipfs/p2p/net"
 	testutil "github.com/jbenet/go-ipfs/p2p/test/util"
 )

net/swarm/swarm_notif_test.go

@@ -4,8 +4,8 @@ import (
 	"testing"
 	"time"
 
-	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/go.net/context"
 	ma "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-multiaddr"
+	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
 
 	inet "github.com/jbenet/go-ipfs/p2p/net"
 )

net/swarm/swarm_test.go

@@ -12,8 +12,8 @@ import (
 	errors "github.com/jbenet/go-ipfs/util/debugerror"
 	testutil "github.com/jbenet/go-ipfs/util/testutil"
 
-	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/go.net/context"
 	ma "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-multiaddr"
+	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
 )
 
 func EchoStreamHandler(stream inet.Stream) {

peer/queue/queue_test.go

@@ -9,7 +9,7 @@ import (
 	peer "github.com/jbenet/go-ipfs/p2p/peer"
 	u "github.com/jbenet/go-ipfs/util"
 
-	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/go.net/context"
+	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
 )
 
 func TestQueue(t *testing.T) {

peer/queue/sync.go

 package queue
 
 import (
-	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/go.net/context"
-
+	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
 	peer "github.com/jbenet/go-ipfs/p2p/peer"
 	eventlog "github.com/jbenet/go-ipfs/thirdparty/eventlog"
 )

protocol/identify/id.go

@@ -4,10 +4,10 @@ import (
 	"strings"
 	"sync"
 
-	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/go.net/context"
 	ggio "github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/gogoprotobuf/io"
 	semver "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/coreos/go-semver/semver"
 	ma "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-multiaddr"
+	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
 
 	host "github.com/jbenet/go-ipfs/p2p/host"
 	inet "github.com/jbenet/go-ipfs/p2p/net"

protocol/identify/id_test.go

@@ -9,8 +9,8 @@ import (
 	identify "github.com/jbenet/go-ipfs/p2p/protocol/identify"
 	testutil "github.com/jbenet/go-ipfs/p2p/test/util"
 
-	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/go.net/context"
 	ma "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-multiaddr"
+	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
 )
 
 func subtestIDService(t *testing.T, postDialWait time.Duration) {

protocol/mux.go

@@ -5,8 +5,7 @@ import (
 	"io"
 	"sync"
 
-	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/go.net/context"
-
+	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
 	inet "github.com/jbenet/go-ipfs/p2p/net"
 	eventlog "github.com/jbenet/go-ipfs/thirdparty/eventlog"
 	lgbl "github.com/jbenet/go-ipfs/util/eventlog/loggables"

protocol/relay/relay_test.go

@@ -10,7 +10,7 @@ import (
 	testutil "github.com/jbenet/go-ipfs/p2p/test/util"
 	eventlog "github.com/jbenet/go-ipfs/thirdparty/eventlog"
 
-	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/go.net/context"
+	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
 )
 
 var log = eventlog.Logger("relay_test")